#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>

int main() {
    int weight = 0;
    float height = 0;
    float bmi = 0;
    scanf("%d %f", &weight, &height);
    bmi = weight / (height * height);
    if (bmi >= 18.5 && bmi <= 23.9) {
        printf("Normal");
    }
    else {
        printf("Abnormal");
    }
    return 0;
}